已知电阻R1、R2串联在电路中,则电路的总电阻为()。A、R=R1=R2B、R=R1+R2C、R=1/R1+1/R2D、R=1/R1=1/R2
已知电阻R1、R2串联在电路中,则电路的总电阻为()。
- A、R=R1=R2
- B、R=R1+R2
- C、R=1/R1+1/R2
- D、R=1/R1=1/R2
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